Trojan horse Agent_c.mb Removal Instruction

By | April 10, 2015

My computer has been randomly freezing and restarting recently. So I run my antivirus program AVG to perform a full system scan. Then, I find a threat called Trojan horse Agent_c.mb on my PC; however, AVG cannot remove it completely. I want to manually remove this threat, but I have no ideas how to do. Can anyone help me?

What Is Trojan horse Agent_c.mb?

Trojan horse Agent_c.mb is a malicious Trojan horse used by cybercriminals for online fraud and theft. Often, it disguises itself as a harmless or even beneficial file or application (such as screensaver, package of video codec, tray clock, weather forecast software, etc), so that it can mislead users into downloading and installing it on their computers. But when installed, it will start performing a series of harmful actions according to the commands received from its creators. It will modify system settings and Windows registry entries without any permission, so that it can always run automatically while the Windows is logged on. Then, it will drop its malicious codes to users’ hard drives, which enables it to accomplish the successor tasks. When inside the infected computer, this Trojan horse could randomly delete system files, disable antivirus program and firewall, install other malware onto the infected computer, and even collect its victim’s sensitive data and information (IP address, email address, credit card numbers, passwords, etc). So, it is very important that you remove Trojan horse Agent_c.mb from your computer as quickly as possible. Now you can follow the guide offered below to get rid of it.

Note: The manual removal method involves several complicated steps which cannot be handled by novice users. Any wrong deletion could lead to serious system damage. So, if you are not a computer geek, downloading and using a professional malware removal tool will be a better choice. It does not require you to be a computer expert to remove the adware at all. Click and download SpyHunter on your PC now.


Consequences of Trojan horse Agent_c.mb Infection

Computer performance obviously decreases; it often takes long time to perform a simple operation on the computer.
The computer shuts down or restarts itself unexpectedly; you get more and more system crash and random blue screen of death.
Network connection speed becomes slow; sometime, you even cannot access the websites you want to visit.
Lots of advertisements and suspicious security alerts pop up on your computer, no matter you like them or not.
Your browsers don’t behave properly; you are always redirected to websites that you don’t specially request.
Windows Security Center, Windows Firewall or third party antivirus program are disabled without any permission.
Some programs cannot be launched normally; and some unknown programs are installed on your PC silently;
Some files and folders are missing for no reason; and new files and folders appear on your PC.
The personal information and data stored on your PC is collected and transferred to the remote cyber hackers without your knowledge.

Why Is It Hard to Remove the Trojan Horse with Your Antivirus?

You may find it hard to detect and remove Trojan horse Agent_c.mb using your antivirus program. Why? First of all, it should be known that an antivirus program or anti-malware program can help protect your computer from malware just because that it is able to recognize that they’re actually malware. However, in these days more and more malware are created by cyber hackers for various purposes and not every type of malware can be easily recognized by an anti-malware program, especially one that hasn’t been updated for a long time. In addition, some cyber hackers know much about how anti-malware programs work and they can write a Trojan horse which has the ability to bypass most security tools. Trojan horse Agent_c.mb is such a Trojan horse that can evade detection and removal by a general anti-malware program. When downloaded onto a computer, it will quickly load itself into the Windows registry, which allows it to be executed every time the computer starts up. Also, it will disguise itself as a part of the system file, attempting to evade detection by the antivirus program. Moreover, this Trojan horse will try to kill process of the antivirus program so as to disable it. All these can explain why it becomes a so difficult task to remove the Trojan horse from an infected computer.

Trojan horse Agent_c.mb Removal Instruction

Option 1: Manually Remove the Trojan Horse by Taking the Steps.

Option 2: Automatically Remove the Trojan Horse by Using SpyHunter.

Option 1: Manually Remove the Trojan Horse by Taking the Steps.

Step 1: Stop process of Trojan horse Agent_c.mb.
a. Start the Task Manager by pressing the key combination “CTRL + Shift + ESC”.
b. Under the “Processes” tab, find out and terminate the Trojan horse related process (process of the Trojan horse may be named with random characters and it occupies extremely high CPU usage).

End process

Step 2: Remove all Trojan horse related programs.
a. Click the Start menu, and select “Control Panel”.
b. In the “Control Panel” window, click on “Uninstall a program”.

uninstall a_program_1

c. In the list of all currently installed programs, find out any programs related to the Trojan horse and click on “Uninstall” button.
d. Then, click “Yes” in the pop-up window which asks if you want to uninstall the program.

Step 3: Show all hidden files and folders.
a. Go to Start button and select “Control Panel” option.
b. In the “Control Panel” window, click on the “Appearance and Personalization” link.
c. Select “Folder Options” and click the “View” tab.
d. Under “Advanced settings”, tick “Show hidden files, folders and drives”, non-tick “Hide protected operating system files (Recommended)” and then click the “OK” button.

Folder Options-Win 7

Step 4: Remove all files relative to Trojan horse Agent_c.mb.
a. Navigate to the local disk C.
b. Find out and delete all malicious files created by the Trojan horse.

%AllUsersProfile%\Application Data\.dll
%UserProfile%\Desktop\[Trojan horse name].lnk
%UserProfile%\Start Menu\[Trojan horse name]\Help.lnk
%UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\[Trojan horse name].lnk

Step 5: Delete all registry entries associated with the Trojan horse.
a. Open Registry Editor by pressing the Windows key + R key, typing “regedit” and clicking OK.


b. Search for all the registry entries associated with the Trojan horse and remove them all.


HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “random.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[Trojan horse name]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[Trojan horse name]\DisplayIcon %AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe,0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[Trojan horse name]\DisplayName [Trojan horse name]

Option 2: Automatically Remove the Trojan Horse by Using SpyHunter.

SpyHunter is a professional malware removal tool designed with the latest technologies which enable it to easily remove different types of threats. You can follow the steps below to remove Trojan horse Agent_c.mb as well as any other potential threats from your PC.

Step 1: Click on the download button and save the file on your desktop or any other place on your computer.


Step 2: Once the downloading is complete, run the file to start the installation of SpyHunter.

spyhunter-run setup file

Step 3: Once the installation finishes, launch the tool to perform a full system scan on your computer.


Step 4: When the scanning is done, remove any malicious files and components of Trojan horse Agent_c.mb.

spyhunter-fix threats

Step 5: Restart your PC to complete the removal.

How Can You Prevent Malware Infection?

Install a powerful anti-malware program and update it on a regular basis.
Keep your operating system up-to-date.
Always update the software installed on your PC.
Be suspicious of any email attachments from unknown people or with offers that seem too good to be true.
Don’t download and install software from unreliable sources. Some malware come bundled in software packages and once you install such software on your PC, you install malware as Avoid clicking on suspicious links in emails or instant messages, or you may be linked to some malicious websites.
Don’t click on misleading pop-up windows in unsafe website, or you may download unknown malware onto your PC.


Trojan horse Agent_c.mb has been a big headache to many PC users worldwide. This Trojan horse will take every chance to slip into the targeted computers. For example, it will pretend to be an interesting application and mislead users into downloading and installing it on their machines. Once installed on your PC, this Trojan horse will start doing many malicious things, causing various problems such as system crash, PC performance degradation, slowdown in network speed, annoying pop-ups, and even identify theft. To fix the problems, you have to quickly get rid of this nasty Trojan horse. Above you have introduced two ways to deal with this threat and you can choose one of them according to your own situation.

Kindly Reminder: To effectively delete the Trojan horse from your PC, you need to have experience of dealing with processes, files, and registry entries. Namely, it requires you to have high level of troubleshooting skills to remove the Trojan horse. However, not everyone is a computer geek. This is why some malware removal tools are created.

To ensure a complete and safe removal of Trojan horse Agent_c.mb, novice computer users need to resort to a reliable removal tool. SpyHunter is an advanced removal tool which focuses on removal of various malicious threats. You can download and use it to perform a full scan of your system. It will detect out the really dangerous items and thoroughly remove them out of your PC. Also, it can provide long term protection to prevent your PC from future threats.


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